import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login', '/auth-redirect'] // no redirect whitelist

router.beforeEach(async(to, from, next) => {
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = getToken()

  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({ path: '/' })
      NProgress.done() // hack: https://github.com/PanJiaChen/vue-element-admin/pull/2939
    } else {
      // determine whether the user has obtained his permission roles through getInfo
      const hasRoles = store.getters.roles && store.getters.roles.length > 0
      if (hasRoles) {
        next()
      } else {
        try {
          // get user info
          // note: roles must be a object array! such as: ['admin'] or ,['developer','editor']
          const { code,data,message,result } = await store.dispatch('user/getInfo')

          let roles = data.roles;
          // generate accessible routes map based on roles
          const accessRoutes = await store.dispatch('permission/generateRoutes', result.id)
          console.log('accessRoutes=>',accessRoutes)

          saveObjArr("router",accessRoutes)

          // dynamically add accessible routes
          router.addRoutes(accessRoutes)

          // hack method to ensure that addRoutes is complete
          // set the replace: true, so the navigation will not leave a history record
          next({ ...to, replace: true })
        } catch (error) {
          // remove token and go to login page to re-login
          await store.dispatch('user/resetToken')
          Message.error(error || 'Has Error')
          next(`/login?redirect=${to.path}`)
          NProgress.done()
        }
      }
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})

//localStorage 存储数组对象的方法
function saveObjArr(name, data) {
    localStorage.setItem(name, JSON.stringify(data))
}

//localStorage 获取数组对象的方法
function getObjArr(name) {
    return JSON.parse(window.localStorage.getItem(name));
}

var buttonList = [];

export const getButtonList = (routePath, routers) => {
  routers.forEach(element => {
    console.log("routers=>",routers)
    console.log("element=>",element)
    console.log("path=>",routePath.toLowerCase())
    if (routePath && element.path) {
      let path = routePath.toLowerCase();
      console.log("element.path.toLowerCase()=>",element.path.toLowerCase())
      if (element.path && element.path.toLowerCase() === path) {
        console.error("element.children",element.children)
        buttonList = element.children;
        return;
      } else if (element.children) {
        getButtonList(path, element.children);
      }
    }
  });
  // buttonList = [{"id":9,"pid":4,"order":0,"name":"查询","IsHide":false,"IsButton":true,"path":"无","Func":"getUsers","iconCls":null,"meta":{"title":"查询","requireAuth":true,"NoTabPage":false,"keepAlive":false},"children":null},{"id":13,"pid":4,"order":0,"name":"新增","IsHide":false,"IsButton":true,"path":" ","Func":"handleAdd","iconCls":null,"meta":{"title":"新增","requireAuth":true,"NoTabPage":false,"keepAlive":false},"children":null},{"id":14,"pid":4,"order":0,"name":"编辑","IsHide":false,"IsButton":true,"path":" ","Func":"handleEdit","iconCls":null,"meta":{"title":"编辑","requireAuth":true,"NoTabPage":false,"keepAlive":false},"children":null},{"id":15,"pid":4,"order":0,"name":"删除","IsHide":false,"IsButton":true,"path":" ","Func":"handleDel","iconCls":null,"meta":{"title":"删除","requireAuth":true,"NoTabPage":false,"keepAlive":false},"children":null}]
  console.log("buttonList=>",buttonList)
  return buttonList;
};
